Chapra vs Satna
Side-by-side air quality comparison between Chapra and Satna.
Live AQI from Open-Meteo CAMS (~45 km global model, updated hourly). Multi-year history from CPCB station data via aqinow.co pipeline (2016–2024, station-level daily records).
AQI Comparison
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Chapra | Satna |
|---|---|---|
| PM2.5(µg/m³) | 102.90 | 31.00 |
| PM10(µg/m³) | 117.10 | 47.80 |
| NO₂(µg/m³) | 42.70 | 18.60 |
| SO₂(µg/m³) | 15.30 | 7.00 |
| O₃(µg/m³) | 46.00 | 55.00 |
| CO(µg/m³) | 805.00 | 240.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chapra averaged an AQI of 149 while Satna averaged 66 — a 83-point (126%) gap, with Chapra the more polluted and Satna the cleaner of the two. On 909 days when both cities reported, Satna was cleaner on 804 of them; the average daily gap was 127 AQI points.
Seasonality & days
Chapra peaks in January, while Satna peaks in November. Chapra logged 2.4% Severe days and 26.8% Good-or-Satisfactory days; Satna was 0.2% Severe and 74.1% Good-or-Satisfactory. Longest clean-air streaks: Chapra 14 days, Satna 146 days.
Year-over-year progress
Chapra has improved by 181 AQI points (54.8%) from 2021 to 2024; Satna has improved by 58 AQI points (46.8%) over the same window. The worst recorded day for Chapra reached AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20; Satna hit AQI 500 at Bandhavgar Colony Satna (Cement) on 2018-05-27.
Station-level disparity
Chapra spans 1 CPCB stations with a 0-point spread (min 195, max 195); Satna spans 1 stations with a 0-point spread (min 85, max 85).
Verdict
🏆 Satna has better air quality with an AQI of 53 compared to Chapra's 244. That's a significant difference of 191 points.